3-Acetyl-2-ethylbenzofuran (CAS NO.4265-18-3) is also called Ethanone, 1-(2-ethyl-3-benzofuranyl)- ; 2-Ethyl-3-acetylbenzofuran ; Ketone,2-ethyl-3-benzofuranyl methyl (6CI,7CI,8CI) .